package com.design.responsibilityChain;


/**
 * @author��idea
 * @date��2018/2/3
 * @version�� <h1></h1>
 */
public class HtmlFiliter implements Filiter {

    @Override
    public String doFiliter(String str) {

        return str.replace("<","[").replace(">","]");
    }

}
